#541

A November 2025 study revealed that venom from which creature could be used to develop molecules that kill breast cancer cells as effectively as chemotherapy?

(a) Blue-ringed octopus

(b) King Cobra

(c) Amazonian scorpion

(d) Cone snail

Explanation: Research published in November 2025 showed that molecules derived from the venom of an Amazonian scorpion could kill breast cancer cells with efficacy comparable to chemotherapy, offering a new potential avenue for cancer treatment.

#542

Which drug was approved by the FDA in November 2025 for treating relapsed or refractory acute myeloid leukemia (AML) with a susceptible nucleophosmin 1 mutation?

(a) Komzifti (ziftomenib)

(b) Wayrilz (rilzabrutinib)

(c) Inluriyo (imlunestrant)

(d) Vizz (aceclidine)

Explanation: Komzifti (ziftomenib) received FDA approval in November 2025 for treating adults with relapsed or refractory acute myeloid leukemia who have a specific nucleophosmin 1 (NPM1) mutation.

#543

Researchers in November 2025 created a 'miniature' version of which human body system to study blood production and diseases like leukemia?

(a) Liver

(b) Bone Marrow

(c) Spleen

(d) Lymph Node

Explanation: Scientists successfully engineered a miniature human bone marrow system in the lab in November 2025. This organoid mirrors the real structure of bone marrow and supports blood cell production, providing a new model for studying blood diseases.

#544

In November 2025, a study found that which common amino acid supplement could significantly reduce amyloid-beta aggregation in Alzheimer's disease models?

(a) Lysine

(b) Arginine

(c) Glutamine

(d) Tryptophan

Explanation: A study published in November 2025 discovered that the amino acid arginine can block harmful amyloid-beta aggregation and reduce its toxic effects in Alzheimer's disease models, suggesting a potential simple therapeutic intervention.

#545

A November 2025 study indicated that combining Tirzepatide and Semaglutide provided strong protection against which major health event?

(a) Liver failure

(b) Kidney stones

(c) Heart attack and stroke

(d) Pancreatic cancer

Explanation: A massive real-world study in November 2025 revealed that both Tirzepatide and Semaglutide (GLP-1 drugs) deliver strong cardiovascular protection, significantly reducing the risk of heart attack, stroke, and death in adults with type 2 diabetes.

#546

Researchers at St. Jude Children's Research Hospital launched which database in November 2025 to keep protein structure predictions up to date?

(a) AlphaSync

(b) ProteinNet

(c) StructUpdate

(d) FoldLive

Explanation: St. Jude scientists launched the AlphaSync database in November 2025. This resource is designed to keep protein structure predictions current, helping to prevent cascading errors in research that relies on outdated models.

#547

A November 2025 breakthrough involved using 'nasal nanodrops' to treat which type of aggressive cancer in mice?

(a) Lung cancer

(b) Glioblastoma (Brain tumor)

(c) Melanoma

(d) Pancreatic cancer

Explanation: Researchers developed a nasal-delivered nanotherapy in November 2025 that showed promise against glioblastoma, an aggressive brain tumor. The treatment activates the STING immune pathway to attack the tumor.

#548

Which experimental Google model, released in 2024, is a 'foundation world model' capable of generating playable 3D environments?

(a) Sora

(b) Genie 2

(c) Luma

(d) Dreamix

Explanation: Genie 2 is a foundation world model introduced by Google in 2024. It is capable of generating an endless variety of action-controllable, playable 3D environments, useful for training embodied AI agents.

#549

A study published in November 2025 found that which gene, when overactivated by sensory inputs, can suppress longevity in worms?

(a) fmo-2

(b) daf-16

(c) skn-1

(d) age-1

Explanation: Scientists found that sensory inputs like smell and touch can suppress the key longevity gene *fmo-2*. When this gene is overactivated, it can negate the life-extending effects of dietary restriction in worms.

#550

Which company's 'AlphaChip' reinforcement learning method was highlighted in 2024 for transforming chip floorplanning?

(a) NVIDIA

(b) Google

(c) Intel

(d) AMD

Explanation: Google highlighted its 'AlphaChip' method in 2024, which uses reinforcement learning to accelerate and optimize the floorplanning process for computer chips, improving design efficiency.

#551

What major medical link was debunked by new research in November 2025 regarding a common pain reliever?

(a) Ibuprofen and kidney failure

(b) Acetaminophen (Tylenol) and autism

(c) Aspirin and heart disease

(d) Naproxen and ulcers

Explanation: New research published in November 2025 found no clear link between the use of Acetaminophen (Tylenol) during pregnancy and the development of autism in children, addressing a long-standing medical concern.

#552

Scientists in November 2025 used CRISPR to boost the efficiency and digestibility of which organism to create a meat-like food source?

(a) Algae

(b) Yeast

(c) Fungus

(d) Bacteria

Explanation: Researchers used CRISPR in November 2025 to modify a specific fungus. The engineered strain grows protein faster, requires less sugar, and has a meat-like texture, offering a sustainable food alternative.

#553

A November 2025 study identified that massive Sargassum blooms are fueled by a nutrient partnership between the algae and which organism?

(a) Phytoplankton

(b) Cyanobacteria

(c) Krill

(d) Coral polyps

Explanation: The study revealed that the massive Sargassum seaweed blooms are fueled by nitrogen supplied by cyanobacteria living on the algae, combined with phosphorus from equatorial upwelling.

#554

In November 2025, researchers introduced a new gel capable of regrowing which human tissue?

(a) Skin

(b) Tooth enamel

(c) Cartilage

(d) Cornea

Explanation: A new gel developed in November 2025 showed the ability to regrow tooth enamel, potentially transforming dentistry by offering a way to repair teeth without traditional fillings.

#555

A November 2025 study suggested that daily consumption of what beverage could reduce the risk of Atrial Fibrillation (AFib) by 39%?

(a) Green Tea

(b) Coffee

(c) Orange Juice

(d) Pomegranate Juice

Explanation: A heart study released in November 2025 found a surprising link suggesting that daily coffee consumption could cut the risk of Atrial Fibrillation (AFib) by up to 39%.

#556

Which November 2025 discovery involves 'bacterial nanopores' behaving in a way similar to a brain?

(a) They can reproduce autonomously

(b) They demonstrate learning capabilities

(c) They generate electricity

(d) They communicate via radio waves

Explanation: Scientists at EPFL discovered in November 2025 that biological nanopores from bacteria can exhibit 'memory' and learning-like behaviors, similar to how brain synapses work, which could impact bio-computing.

#557

In November 2025, scientists developed a tiny ingestible pill that detects what condition by glowing?

(a) Stomach ulcers

(b) Intestinal bleeding

(c) Colon cancer

(d) Acid reflux

Explanation: A new ingestible pill developed in November 2025 contains engineered bacteria that glow when they encounter heme, a component of blood, thereby acting as a non-invasive detector for intestinal bleeding.

#558

Which AI tool released by OpenAI in late 2024 is capable of generating realistic video from text instructions?

(a) DALL-E 3

(b) Sora

(c) Veo

(d) Make-A-Video

Explanation: Sora is a text-to-video AI model released by OpenAI in December 2024 (publicly demoed earlier in the year) that can create realistic and imaginative scenes from text instructions.

#559

Researchers in November 2025 found that Vitamin D3 supplementation could halve the risk of what event?

(a) Bone fracture

(b) Second heart attack

(c) Stroke

(d) Developing diabetes

Explanation: A study published in November 2025 indicated that Vitamin D3 supplementation could reduce the risk of suffering a second heart attack by approximately 50%.

#560

In November 2025, a new airflow device was introduced that can capture indoor germs almost immediately. Which university's engineers developed it?

(a) MIT

(b) UBC Okanagan

(c) Stanford

(d) Oxford

Explanation: Engineers at the University of British Columbia (UBC) Okanagan developed a new airflow device in November 2025 that traps exhaled aerosols and pathogens almost immediately to prevent disease spread indoors.

November 2024 Current Affairs MCQs & Solutions